Method of making quills



p 1932- s. G. MALBY METHOD OF MAKING QUILLS Filed June 17, 1930 ATRNEY Patented Sept. 13, 1 932 x 1 r UNITED? s Y. F.rENeFLmNEw w ss ae smmnE A IIMiA UM se wmesenie rnonvcrs COMPANY, 0 EneEwAr -s. New..J R.sEx... p ems-tri eps;New, JERSEY." J r r t Munon. omm mee itts Application: filed June 17,1930. Serial menses.

used in loom shuttles, and to themethodof! vided with grooves8.un r I producing the same Theaquill :above d ribe m y-ab aprQ-i One of theobjects of the present. invention duced by various methods.,;-, The. method, is to provide a strong, rugged and-inexpene .Which I prefer is for the mOS p tma' 1: sive one-piece quill adapted toeffectively bination. of extrusion and swaging. ,Accordy Withstand the severe use to whichit is subingto this method, a suitableslug of the de-,, jected. sired metal 9, is placed ,in an .extrusion.press,

Another object of this invention is to =prond extruded t0 $015111 ia-t lblllalfi m m er L1 T 'vide a quill of the cone bobbin type having a having a relatively thick bottom l1,; as .i11 s ,oo.a bearing in one end thereof and a stem at trated,-in Figure, 2. The bottom 11 is mean the opposite end, a mounting groove adjac ined to iformtheibearingand theimountwr cent said bearing and a conical-portion inmg groove. Specificallyuthe;bottomlhls termediate said bearingland stem, the-free drille'd-orotherwise;.bored.-toprovide-the end of the stemrounded. and maybe closed. 1 hole 3, and, prior-130,; subsequent to',- .or A further object of this invention is to pro mu-ltaneous ,with the drilling operation, the, vide a method of producingquills of thetype peripheral ,surface of thegbottomQ-is s j t ng. above mentioned ed to "a turning operation whereby .thez, Otherobjects will appear from the followm0unting;gr0ove-. 6 is formed. r-Theetubular ing description, appended claims and acmember. 10 is ,thenswaged, to produce thesl ea This invention relates to quills;suoh=as are. .layers..=thereof, the. conical portien ,7, i Pi comp anying drawing in which cylindrical stem 4' and.;.th:- COI15.,CH.1 ,portion Figure 1 designates a slug of metal from 7'. At the end of-thisoperationfthe;article 11 which the quill may be fabricated, has=..the:s;-.des1red..contour but ,is somewhat Figures 2 to 6, inclusive, illustrate the va- 1arger..=than. desired; Hence, .the article I is,,.- "rious stages through which the material again. subjected. to ..-a swaging, -,.operation 7 passes in the process of producing the quill. wherebymhei'conicalportion and stem are Ife-.

Figure 7 is a plan view of a quill construct- (11 16811 .1 .to theedesired. sizes,vas illustrated in: ed in accordance with the principles of this Figure 5. :1 After the ivariousa.elemientsloflai ,invention. thezqluill haveebeen made ofd the desiredadif; R f i now to the drawing wherein like mensions, thegrooves .,8 are .formed. in the; Y

reference numerals designate like parts, and 601116611 portiomeandaimthe preferred iprom, particularly Figure 7, the reference numeral cedllre these .groovesareproducedby being 1 designates the quill constituting one part th er=machined..or.rolledtherein.. The are of this invention. It is preferably formed lflclefisultmgi Steps is -u "bf a light metal, such as aluminum or alumi- 1n l lwherell} 1t will: e --t num alloy, and is provided on one end there- Q Yl i QP flfllld-d' of with a base 2 having an aperture 3 and i constructlon mlghtf when p -q constituting a bearing, whereby the quill m W113}? the e re i 3 9 J rnay be mounted on a spindle in any suitable i d p and is rounded andlmafy manner. The opposite end portion consists f T w 1 of a cylindrical stem 4, the free end 5 of which Sually Q si fi m" is rounded and may be closed, as illustrated. T -fi i i Adjacent the base 2 there is provided a e a We es 5.;11'1011I1tl1lg groove 6, and intermediate the base igfi gi ii j fgfifi e loosened V whfi l 2 and the cylindrical stem 4, preferably adi i or, b' t d, t it lacenfithe grooYe 6 and h 1111181 end of Said ecauseoftheanuziterial'of r stem, is a tapering or conical body portion 7. thel. qulll'iii's ilightnin Weight... B bflgofiii 05in order to prevent slippage of the thread thesxdetails 10f cdn t ti nj f fli 'l b i jfidiz p wound on the quill, and particularly the first particularly thebearing;-thisportionoftlie ube- 1 {is formed; f), It has 1 Ombinedx- 7 steps hereinbefore set diameter and a conical 'sald bearing and cylindrical stem, grooving quill will not chip off or wear through when used. 1

It is obvious that the exactsequence of forth is not essential to produce the quill. Moreover, it is not essential toemploy the exactnumben of oper- 'ations as herein set forth; In many instances-'- ,said bearing and cylindrical stem, grooving said conical portion, and rounding the free end of said 'cylindricalstemfi two or more steps may be combined. Though the first step operation, his is not essential to the successful practice of the method. Any tubular member having a closed end may serve as the initial material. Sinceit is obvious that various changes may above set forth, this invention is not 'restriated-thereto except as set'forthin the appendedclaims.-

1 A method ing the tubularmember to provide a cylindrical stem at one end thereoif'of a reduced diameter and a conical portion intermediate said bearing and cylindrical stem, grooving-said conical portion. v A 2. A method "of producing a one-piece quill which comprises forming a bearing in drical stem atone end-thereof of a reduced said conical portion, and rounding the free end of said cylindrical stem. 1

3. A method of producing a I of the herein described process is ,the'subjection of a slug to an extruding I I I q g V 7. A methodoi producing a one-piecequill bemadein the speclfic details hereinof producing a one-piece quill which comprises forming a'ibearing 1n the-closed'end of a tubular member, swag and ' and cylindrical stem, portion, reundmg thefree end of said portion intermediate 1 4 one-piece Y quill'which comprises forming'a bearing in the closed end ofa tubular member and mounting groove adjacent said bearing,

6. A method of producing a one-piece to provide a cy-.

diameter and a-conlcal portion intermediate which comprises extruding a slug of metal to produce tubular member having bO l /tOlT l, boring ing groove in said bottom, swaging the tubua thick ahole and forming a mountlar member to providelaj cylindrical stem "at one end thereof of-a'reduced diameter and a v; conical portion intermediate said bearing (and cylindrical stem, and grooving saidconical portion. 4

8. A method of producing a one-piece quill which comprises extruding .a slug of metal to produce atubular member having, a

thick bottom, boring a hole andjforming a A mounting groove in saidbottom, swaging the tubularmemberto provide a cylindrical stem at one end thereof oiareduced diameter and a conical portion intermediate said bearing grooving sa d'conical cylindrical stem.

In testimony'whereof, I have affizied my;

signature to this specification. t

- a 7 GLMA LBY.

swagingvthe tubular member to provide afw cylindrical stem at one end thereof of are ducedi diameter and a conical portioninter- 1 mediate said bearing and cylindricalrstem,

and grooving r-said c onical portioin Y 4...:A quill which comprises mounting groove: adjacentv said bearing,

ethod- 1 of producing a" one-piece 1 forming a bearing in I the closed end of a tubularmember and-a r lindrical stem at oneend thereof of areduced diameter and awcon cal portion intermediate .1

said: bearing and cylindrical stem, grooving said conical portion,and rounding thefree end of said cylindrical stem.

swaging the-.tubular member to provide'a cylindrical-:stemfat 'oneend there'ofof a reduced diameter. and aconical portion intermediate said bear-mg i and cylindrical stem, 7

andigroovingsaidconical portion.

5. A method'of producing one -piece 

